Question

A rotation maps point A to A’. On a coordinate plane, point A prime is (negative 3, 4) and A is (3, negative 4). Which statement describes the rotation? 270° counterclockwise rotation 90° clockwise rotation 180° rotation 90° counterclockwise rotation

Answer 1

c.

Explanation:

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Answer 2

(C)180° rotation

Explanation:

For rotations about the origin, these are some basic rules

• 90°clockwise rotation: (x,y)=(y,-x)
• 90°counterclockwise rotation: (x,y)=(-y,x)
• 180° rotation: (x,y)=(-x,-y)

• 270°counterclockwise rotation: (x,y)=(y,-x)

Given point A(-3,4), x=-3, y=4

Point A'=(3,-4)=(-x,-y)

Therefore, the rotation that maps A to A' is 180 degrees rotation.

The correct option is C.